Finding the Fourth Proportional to 762,116.25, 1,143,174.93 and 193,539.99
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Solution
The fourth proportional to 762,116.25, 1,143,174.93 and 193,539.99 is: 290,310.13
Step by Step Solution
- Step 1: Write the proportion equation
762,116.25 : 1,143,174.93 = 193,539.99 : x - Step 2: Convert to fraction form
762,116.25/1,143,174.93 = 193,539.99/x - Step 3: Cross multiply
762,116.25x = 1,143,174.93 × 193,539.99 - Step 4: Simplify right side
762,116.25x = 221,250,064,520.45 - Step 5: Solve for x
x = 221,250,064,520.45/762,116.25 - Step 6: Final answer
x = 290,310.13
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.